John a



J. AQEVARTS.

Extensioh-Fixiurefor Chandeliers.

Patented April 21. 1868.

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' chandelier down to the desired elevation.

JOHN A. EVARTS, OF WEST MERIDEN, CONNECTICUT, ASSIGNOR TO BRAD- LEY & HUBBARDQOF SAME PLACE.

Letters Patent No. 77,019, dated April 21, 1868.

IMPROVEMENT I EXEENSIQN FIXTURES FOB GHATJIDELIERS.

TO ALL WHOM IT MAY oononnn:

Be it known that I, JOHN A. Evsn'rs, of West Mcriden, in the county of New Haven, and State of Connecticut, have invented a new-Improvement in Extension-Fixtures for Chandeliers; and I do hereby declare thefollowing, when takenjn connection with the accompanying drawings, and the letters of reference marked thereon, to be a full, clear, and exact description of the same, and which said drawings constitute part of this specification, and represent, in

Figure 1, a side view, and in Figure 2 a. central section.-

This invention relates to improvement in fixtures for extending chandeliers, that is to say, for supporting them at different positions, and so that the position of the chandelier may be adjusted to any desirable height; and the invention consists in the arrangement of a socket, attached permanently to the ceiling, at the proper distance therefrom, through which socket a rod or tube passes, and a cam or self-operating clamp arranged in the said socket, so that while it permits the free movement of the rod or tube upward, it prevents its accidental downward movement, by applying thereto a pressure more than suiiicicnt to counterbalance the weight of the phandelier; I v

In order to the clear understanding of myimprovement, I will proceed to describe the same, as illustrated in the accompanying drawings.

B is the socket, the upper end, D, of which is fitted to the gas-tubing, which drops from the ceiling, or by other connection, as heretofore described. Througlvthe said socket the tube A passes, as seen in fig, 2.

If it be for a gas chandelier, A- is a hollow tube, which passes up-into the connecting-tube,which is attached to the socket at the end, D, so that the gas will pass into and through the said tube A, suitable packing being introduced around the tube A at the upper end of the socket; but if for other chandeliers, A may be a rod, fitting closely, and so as to piss through the socket, and the socket attached to the ceiling in any convenient manner.

In one side of the said socket is arranged'a shoe, 0, upon its'inncr suri'acc, conforming to the tube or rod A, as seen in fig. 2, and a little shorter than the opening through the socket. in which the said shoe sets. is a lever, arranged upon a fulcrum, a, 0n the socket, its other end resting in a seat in the shoe 0, as seen in fig. 2, and so that an upward movement of the shoe G, denoted in red, fig. 2,) carrying with it the lever E, relieves the shoe G from the pressure of the lever E by so much as the end of the lever E passes from a vertical line in its movement upon its fixed fulcruin a, so that when the tube or rod A is drawn down, the shoe-C will press hard against the said rod or tube, but when the said rod or tube is raised, it carries with it the shoe 0, until, as before described, the shoe C is relieved from the pressure of its lever, then the rod will slide frcely' upward, and when the powerwhich raised the rod or tube is removed, its own gravitation causes it to drop, and with it the shoe 0, by the friction between the two, until, in. the position denoted in fig. 2,11. further dcsccntof therod or tube is arrested.

The friction between the shoe and rod or tube should only be suflicicnt to sustain the rod or tube with the chandelier attached, and so that a little power applied will be suiiicient to overcome that friction, and draw the As it would be difficult to make an adjustment of the leverE upon the shoe C to accommodate different chandeliers, or to increase at any time, if desired, the friction, I arrange upon the opposite side of the socket a block, F, its inner surface conforming to and resting'upon the tube or rod A, and a set-screw, G, so as to bear upon the said block F, to adjust the pressure of the said block upon the rod 0: tube, and by this means of adjusting the pressure of the block F upon the rod or tube, the apparatus may be adjusted for any desired weight of chandelier.

It will be observed that by reversing the operation, the rod A may be fixed to the ceiling, and the chandclier attached directly to the socket, so that the socket will slide up and down on the fixed rod or tube; anrl in some cases this may be the'hetter plan.

Having thus fully described my invention, what): claim as new and useful, and desire to secure by Letters Patent, isi v 1. The socket B, combined with the lever E and shoe 0, and constructed so as to operate substantially in the manner herein set forth. 7

2. i In combination with tlieobove, I claim the adjusting-block F, to adjust the friction, snbstontizilly as and for the purpose set forth. 7

JOHN A. EVARTS.

' Witnesses:

Jnmos S. NomoN, Jr., RATCLIFFE HICKS. 

